<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
 * CodeIgniter
 *
 * An open source application development framework for PHP 4.3.2 or newer
 *
 * @package		CodeIgniter
 * @author		ExpressionEngine Dev Team
 * @copyright	Copyright (c) 2008 - 2009, EllisLab, Inc.
 * @license		http://codeigniter.com/user_guide/license.html
 * @link		http://codeigniter.com
 * @since		Version 1.0
 * @filesource
 */

// ------------------------------------------------------------------------

/**
 * Language Class
 *
 * @package		CodeIgniter
 * @subpackage	Libraries
 * @category	Language
 * @author		ExpressionEngine Dev Team
 * @link		http://codeigniter.com/user_guide/libraries/language.html
 */
class CI_Language {

  var $language	= array();
  var $is_loaded	= array();

  /**
   * Constructor
   *
   * @access	public
   */
  function CI_Language() {
    log_message('debug', "Language Class Initialized");
  }

  // --------------------------------------------------------------------

  /**
   * Load a language file
   *
   * @access	public
   * @param	mixed	the name of the language file to be loaded. Can be an array
   * @param	string	the language (english, etc.)
   * @return	mixed
   */
  function load($langfile = '', $idiom = '', $return = FALSE) {
    $langfile = str_replace(EXT, '', str_replace('_lang.', '', $langfile)).'_lang'.EXT;

    if (in_array($langfile, $this->is_loaded, TRUE)) {
      return;
    }

    if ($idiom == '') {
      $CI =& get_instance();
      $deft_lang = $CI->config->item('language');
      $idiom = ($deft_lang == '') ? 'english' : $deft_lang;
    }

    // Determine where the language file is and load it
    if (file_exists(APPPATH.'language/'.$idiom.'/'.$langfile)) {
      include(APPPATH.'language/'.$idiom.'/'.$langfile);
    }
    else {
      if (file_exists(BASEPATH.'language/'.$idiom.'/'.$langfile)) {
        include(BASEPATH.'language/'.$idiom.'/'.$langfile);
      }
      else {
        show_error('Unable to load the requested language file: language/'.$idiom.'/'.$langfile);
      }
    }

    if ( ! isset($lang)) {
      log_message('error', 'Language file contains no data: language/'.$idiom.'/'.$langfile);
      return;
    }

    if ($return == TRUE) {
      return $lang;
    }

    $this->is_loaded[] = $langfile;
    $this->language = array_merge($this->language, $lang);
    unset($lang);

    log_message('debug', 'Language file loaded: language/'.$idiom.'/'.$langfile);
    return TRUE;
  }

  // --------------------------------------------------------------------

  /**
   * Fetch a single line of text from the language array
   *
   * @access	public
   * @param	string	$line 	the language line
   * @return	string
   */
  function line($line = '') {
    $line = ($line == '' OR ! isset($this->language[$line])) ? FALSE : $this->language[$line];
    return $line;
  }

}
// END Language Class

/* End of file Language.php */
/* Location: ./system/libraries/Language.php */